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A student drops a 0.35 kg piece of steel at 42°C into a contaoner of water...

A student drops a 0.35 kg piece of steel at 42°C into a contaoner of water at 22°C. The student also drops a 0.55 kg chunk of lead into the same container at the same time. The temperature of water remains the same. what is the temperature of the lead?
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